Use Cargo.lock from workspace root #181
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cbindgen currently assumes that the `Cargo.lock` is in directly in the crate directory as a sibling to `Cargo.toml`; however that is usually not the case inside a workspace. Instead, this PR extracts the workspace root from the output of `cargo metadata` [1] (already used to get a list of packages) and uses the `Cargo.lock` from there. 1. This is available since Rust 1.24; see rust-lang/cargo#4940
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cbindgen currently assumes that the
Cargo.lockis in directly in thecrate directory as a sibling to
Cargo.toml; however that is usuallynot the case inside a workspace.
Instead, this PR extracts the workspace root from the output of
cargo metadata[1] (already used to get a list of packages) and uses theCargo.lockfrom there.